Potentilla fruticosa 'Red Ace'

RHS Plant Profile

shrubby cinquefoil 'Red Ace'

Synonyms

Potentilla 'Red Ace'
Potentilla fruticosa 'Bloace'
Fragaria 'Red Ace'

Shrubs

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A bushy deciduous shrub to 60cm tall, with small, pinnate dark green leaves and yellow-backed, bright vermillion red flowers in summer and autumn, tending to fade to orange in hot weather and full sun

Position

Full sun, Partial shade

Soil Types

Chalk, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.5-1 metres

Size

Time to Maturity: 5–10 years
Max Spread: 0.5-1 metres
Max Height: 0.5-1 metres

Growing Conditions

Chalk Loam Sand

Moisture: Moist but well–drained or Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun Partial shade

Aspect: East–facing or South–facing or North–facing or West–facing
Exposure: Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

H1A: under glass all year (>15C)
H1B: can be grown outside in the summer (10 - 15)
H1C: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20): H7

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Rosaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Bushy
Potentially harmful: Fruit are ornamental - not to be eaten. Wear gloves and other protective equipment when handling. Pets: Fruit are ornamental - not to be eaten - see the HTA guide to potentially harmful plants for further information and useful contact numbers
Genus: Potentilla can be herbaceous perennials, deciduous shrubs, or annuals, with palmately or pinnately divided leaves and solitary or clustered, saucer-shaped, 5-petalled flowers appearing over a long period
Name Status: Accepted

How to Grow

Cultivation

Easy to grow well in most soils but flowers fade more rapidly in full sun and last longer in moister soils

Propagation

Propagate by softwood cuttings in early summer

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Patio and container plants
Coastal
Gravel garden
Rock garden
Wildlife gardens
Flower borders and beds

Pruning

Pruning group 10

Pests

Generally pest-free

Diseases

May be susceptible to honey fungus